Creating Inorganic Materials: Ceramic materials chemistryTomohiro YamaguchiVariousceramic,inorganicmaterialsareusedaroundus.TheYamaguchiLaboratoryisconductingresearchonthesynthesisandapplicationofvariousinorganicmaterialsincludingmicaandalumina.Atpresent,weareundertakingresearchonthesynthesisofnovelmicacrystalsandthecompositeshavingmicroporesintheinterlayerregionofmicacrystals.Wearealsoworkingontheprocessofaluminaceramicsusinganewsol-gelmethodwithaninorganicsaltsolution.Micasandaluminashavebeenstudiedandusedformanyyears,butresearcherstodayarefindingmethodsofsynthesizingmaterialswithnewcompositionsandalsofindingnewphenomena.Inourlaboratory,studentsintheirsenioryearandgraduatestudentsareconductingtheexperimentsfortheirindividualresearchthemes.AssociateProfessorFields of research: Ceramics, Inorganic Materials Chemistry, Clay Science, etc.Swellablemica crystals having a hexagonal plate-like morphology synthesized by using NaClas a flux.Alumina gels containing a small amount of organic additive lead to the formation of fine alpha-alumina particles at lower temperatures.Manygraduatesfromourlaboratoryareworkingincompaniesrelatedtoceramicsandglassaswellasvariouschemicalmaterials.Theyarealsoactiveinvariousotherfields.In the FutureAfter GraduationMaterialsChemistryYosuke KageshimaEfficientutilizationofsolarenergyhasbeenregardedasoneofthekeytechnologiestosolveworldwideenergyandenvironmentalissues.Incontrast,theregional,daily,andseasonalfluctuationsinsolarirradiationimposeacriticalbarrierforpracticalstorageandconveyance.InKageshimalaboratory,wehasbeenworkingtoconstructanovelartificialphotosyntheticsystemincollaborationwithNishikiorilaboratory.Photocatalytic,photoelectrochemical,andphotovoltaic-assistedwatersplittingenablestocapturesolarenergyintheformofstorableandconveyablechemicalenergy,hydrogen.Assistant ProfessorPh.D.: The University of TokyoHe started to work as an assistant professor in Shinshu University in 2018. His research focuses of photo electrochemistry, material science, and catalysts.In the FutureMaterialsChemistryArtificial Photosynthetic System for Solar Energy HarvestingWhilefuelcellshaveattractedgreatattentionas“green”energydevices,hydrogenusedinthefuelcellsisnowindustriallyproducedfromfossilfuels.Photocatalyticorphotovoltaic-assistedwatersplittingcanproducehydrogenfromonlysolarenergyandwater.Thus,itcanbeexpectedtocontributetoconstructtrulycleanandsustainablesociety.Webelievethatstudentscangainvariousknowledgeandcapability,suchasphysicalpropertiesofmaterial,surfaceproperty,andhandlingofanalyticalinstruments,duringresearchesofphotocatalysts.Throughtheseexperiencesofresearchesanddiscussion,weeducateourstudentssothattheyhavelogicalmindandguts.After Graduation↑Solarspectrum(left)andabsorbanceofvariousphotocatalysts(right).Developmentofphotocatalyticmaterialswithlongerabsorptionedgeisoneofthemostimportantissues(inset).(a)(b)(c)↑(a)Synthesisofthematerialsinaglovebox,(b)assessmentofthephotocatalyticreaction,and(c)thephotoelectrochemicalmeasurements.
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